Question

9
A ray of light is incident on a glass slab at an angle of 45° .If refractive index of glass he 1. 6 What is
the angle of refraction.​

Answer 1

Answer:

n = sin i/sin r

1.6 = sin 45/sin r

sin r = sin 45/1.6

sin r =0.4419

r= 1/sin*0.4419

r=26.22 degrees

Explanation: